Diagnostic Table
104 RTHC-SVD01B-EN
Transition
Complete Input
Opened
MMR
immediate
Starter
1U2
All running
modes
Transition complete input was found open
with compressor running after a successful
completion of transition. This is only
applicable on Y-Delta starters.
Check the transition
complete input and the
starter module.
Transition
Complete Input
Shorted
MMR
n/a
Starter
1U2
Pre-start Transition complete input was found
shorted before the compressor was started.
This is only applicable on Y-Delta starters.
Check the transition
complete input and the
starter module.
Under Voltage MAR
friendly
Starter
1U2
Pre-Start Line voltage below - 10% of nominal or the
Under/Overvoltage transformer is not
connected. (Must hold = - 10 % of nominal.
Must trip = - 15 % of nominal. Reset
differential = min. of 2% and max. of 4%.
Time to trip = min. of 1 min. and max. of 5
min.
Check main power
supply & wiring. Check
Under-Over Voltage
Transformer.
Table 14-2: Diagnostic Table
Diagnostic
Description
Type/
Shutdown
Action
Module
Calling
Out Diag.
Operating
Modes
Diagnostic is
Active
Cause Help Message
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